http://archive.greatfallstribune.com/VideoNetwork/3686849218001/More-than-70-killed-in-Israeli-shellinghttp://cdn.newslook.com/f7/f73a026442eb79e148418157a4e6d8c2/mp4_low/f73a026442eb79e148418157a4e6d8c2-mp4_low.mp4http://archive.greatfallstribune.com/VideoNetwork/3686849218001/More-than-70-killed-in-Israeli-shellinghttp://cdn.newslook.com/f7/f73a026442eb79e148418157a4e6d8c2/images/frame_ext.jpgMore than 70 killed in Israeli shellingIsraeli troops increase their presence along the Gaza border, as more than 70 people are killed in Israeli shelling and clashes in Gaza. Vanessa Johnston reports.Mahmoud AbbasnewslookWorldPalestinian AuthorityIsraelVanessa Johnston01:04